Home / 89,943,099.84-124,121,334.96-48,689,981.28

Finding the Fourth Proportional to 89,943,099.84, 124,121,334.96 and 48,689,981.28

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Solution

The fourth proportional to 89,943,099.84, 124,121,334.96 and 48,689,981.28 is: 67,192,096.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,943,099.84 : 124,121,334.96 = 48,689,981.28 : x
  2. Step 2: Convert to fraction form
    89,943,099.84/124,121,334.96 = 48,689,981.28/x
  3. Step 3: Cross multiply
    89,943,099.84x = 124,121,334.96 × 48,689,981.28
  4. Step 4: Simplify right side
    89,943,099.84x = 6,043,465,475,651,009
  5. Step 5: Solve for x
    x = 6,043,465,475,651,009/89,943,099.84
  6. Step 6: Final answer
    x = 67,192,096.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.